Mysql 8.0.1修改密码策略

xiaoxiao2021-02-28  23

参考文档 1:Mysql 8.0.1 官网文档

参考文档 2:Linux安装后修改Mysql密码策略

文档2对修改mysql的密码策略做了很好的总结,但,注意一点,在mysql8.0.1中密码策略变量的变化;由“_”连接符改变为"."连接符;如下:

validate_password_length 改变为: validate_password.length

修改步骤:

Step 1: 查看password密码策略的变量名

SHOW VARIABLES LIKE 'validate_password%';

结果:

+--------------------------------------+-------+ | Variable_name | Value | +--------------------------------------+-------+ | validate_password.check_user_name ON | validate_password.dictionary_file | | | validate_password.length | 6 | | validate_password.mixed_case_count | 2 | | validate_password.number_count | 1 | | validate_password.policy | LOW | | validate_password.special_char_count | 1 | +--------------------------------------+-------+

Step 2: 修改validate_password.policy参数的值

set global validate_password.policy=0;

Step 3: 修改validate_password.length参数的值来设置密码的最小长度(这个值是由mix_case_count number_count special_char_count需大于等于这三个值和的最小值)

set global validate_password.length=4;

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